Can you find out the missing number in the grid?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Buy me, smell me or deliver me, I do not change.

Who am I?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

Spot 5 differences in two Christmas tree below:

Out of four images which one is the odd one out?

Count the number of lines in the image below ?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Replace the question mark with the correct number in below Picture: